#include <stdio.h>

int main ()
{

    // 输出 There are 3 apples.

    printf ("There are %d apples.\n" , 3) ;

    // 输出一个数字

    printf ("%d\n" , 14514) ;

    // 使用占位符打印字符、数字内容

    printf ("zhangsan says it it 8 o'clock\n") ; // 作为对比参照

    printf ("%s said he is %d years old and still studying in the college.\n" , "Tadokoro" , 24) ;

    return 0 ;

}